Home / 20,662,944.48-30,993,391.40-7,708,085.82

Finding the Fourth Proportional to 20,662,944.48, 30,993,391.40 and 7,708,085.82

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Solution

The fourth proportional to 20,662,944.48, 30,993,391.40 and 7,708,085.82 is: 11,561,746.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,662,944.48 : 30,993,391.40 = 7,708,085.82 : x
  2. Step 2: Convert to fraction form
    20,662,944.48/30,993,391.40 = 7,708,085.82/x
  3. Step 3: Cross multiply
    20,662,944.48x = 30,993,391.40 × 7,708,085.82
  4. Step 4: Simplify right side
    20,662,944.48x = 238,899,720,725,509.53
  5. Step 5: Solve for x
    x = 238,899,720,725,509.53/20,662,944.48
  6. Step 6: Final answer
    x = 11,561,746.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.